Key term for Edexcel GCSE Physics, used in Light, Lenses and Reflection.
The central vertical axis of a lens where all refraction is assumed to occur in a thin lens ray diagram.
Optical axis appears in Edexcel GCSE Physics revision content for Light and the electromagnetic spectrum, especially Light, Lenses and Reflection and Ray Diagrams for Lenses.
Create a free account to access Edexcel GCSE Physics revision notes, track progress, and practise related key terms.
